// Palette Color Key Function
//
// Returns the key for a palette color, or the key for an aliased palette color.
// Returns false if key is not found in $palettes of $palette-aliases.

@function palette-color-key($color) {
  @if (map-has-key($palettes, $color)) {
    @return $color;
  }
  @else if (variable-exists(palette-aliases) and map-has-key($palette-aliases, $color)) {
    @return map-get($palette-aliases, $color);
  }
  @else {
    @return flask-error('Could not find requested color `#{$color}` in `$palettes` or `$palette-aliases`.');
  }
}